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Finding the Third Proportional to 436.50 and 887.25

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Solution

The third proportional to 436.50 and 887.25 is: 1,803.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.50 : 887.25 = 887.25 : x
  2. Step 2: Convert to fraction form
    436.50/887.25 = 887.25/x
  3. Step 3: Cross multiply
    436.50x = 887.25 × 887.25
  4. Step 4: Simplify right side
    436.50x = 787,212.56
  5. Step 5: Solve for x
    x = 787,212.56/436.50
  6. Step 6: Final answer
    x = 1,803.47

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.